[sdiy] Tube ring mod

Magnus Danielson cfmd at swipnet.se
Sat Jun 14 23:58:34 CEST 2003


From: "metasonix at earthlink.net" <metasonix at earthlink.net>
Subject: Re: [sdiy] Tube ring mod
Date: Sat, 14 Jun 2003 14:11:03 -0700

> >>Try decaf.
> > Who ate all my choclate-covered coffie beans that I leaft in the fridge???
> 
> Ah hahahahahaha!

I think I have found the guilty one ;O)

> > Magnus - who still is in the "one day I will do something with tubes" state
> 
> Give it a try, Magnus.
> It's much more challenging than calculating Ebers-Moll transistor models
> (a subject which was, I suspect, beaten to death by 1970).

I just might, I just might... ;O)

> Be the first person on Earth to do certain things! I've never seen
> an EFP60 secondary-emission pentode used as am audio modulator, for example!
> (that's a hint)

Um... I don't HAVE a EFP60 tube around... you've got a datasheet anywhere???

But sure, I am sick enought to come up with unique ways of (ab)use of tubes...
I think you know me in that respect... ;O)

Pentodes as such really seems my preferred tube for linear stuff. Toss in
another grid for multiplicative stuff... right? ;O)

Maybe I should start of with a Svetlana 4CX15000A tube? Or should I go straight
for a TWT or a MSDC Klystron?

Cheers,
Magnus - who's registered patents so far do not include a single tube-curcuit



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